Merge branch 'perf/urgent' into perf/core

Conflicts:
	tools/perf/Makefile

Merge reason: resolve the conflict.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --cc kernel/perf_event.c
Simple merge

diff --cc tools/perf/Makefile
index 9f5a47e,bc0f670..f578b05
--- 1/tools/perf/Makefile
--- 2/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@@ -501,12 -492,8 +501,12 @@@ ifeq ($(uname_S),Darwin
        PTHREAD_LIBS =
  endif
  
- ifeq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
- ifneq ($(shell sh -c "(echo '\#include <gnu/libc-version.h>'; echo 'int main(void) { const char * version = gnu_get_libc_version(); return (long)version; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
 +ifneq ($(OUTPUT),)
 +      BASIC_CFLAGS += -I$(OUTPUT)
 +endif
 +
+ ifeq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
+ ifneq ($(shell sh -c "(echo '\#include <gnu/libc-version.h>'; echo 'int main(void) { const char * version = gnu_get_libc_version(); return (long)version; }') | $(CC) -x c - $(ALL_CFLAGS) -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
  endif
  
@@@ -517,22 -504,13 +517,22 @@@ els
        msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]);
  endif
  
- ifneq ($(shell sh -c "(echo '\#include <dwarf.h>'; echo '\#include <libdw.h>'; echo 'int main(void) { Dwarf *dbg; dbg = dwarf_begin(0, DWARF_C_READ); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/elfutils -ldw -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
+ ifneq ($(shell sh -c "(echo '\#include <dwarf.h>'; echo '\#include <libdw.h>'; echo 'int main(void) { Dwarf *dbg; dbg = dwarf_begin(0, DWARF_C_READ); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -I/usr/include/elfutils -ldw -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
        msg := $(warning No libdw.h found or old libdw.h found, disables dwarf support. Please install elfutils-devel/elfutils-dev);
 -      BASIC_CFLAGS += -DNO_DWARF_SUPPORT
  else
 -      BASIC_CFLAGS += -I/usr/include/elfutils
 +ifndef NO_DWARF
 +      BASIC_CFLAGS += -I/usr/include/elfutils -DDWARF_SUPPORT
        EXTLIBS += -lelf -ldw
 -      LIB_OBJS += util/probe-finder.o
 +      LIB_OBJS += $(OUTPUT)util/probe-finder.o
 +endif
 +endif
 +
 +ifneq ($(shell sh -c "(echo '\#include <newt.h>'; echo 'int main(void) { newtInit(); newtCls(); return newtFinished(); }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -lnewt -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
 +      msg := $(warning newt not found, disables TUI support. Please install newt-devel or libnewt-dev);
 +      BASIC_CFLAGS += -DNO_NEWT_SUPPORT
 +else
 +      EXTLIBS += -lnewt
 +      LIB_OBJS += $(OUTPUT)util/newt.o
  endif
  
  ifndef NO_LIBPERL